package network.Demo03;

import java.io.IOException;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;

/**
 * @Author Miku
 * @Create 2021/5/7 15:40
 */
public class TcpClientDemo {
    public static void main(String[] args) {
        Socket socket = null;
        OutputStream os = null;
        try {
            //1.得到服务器的地址和端口号
            InetAddress serverIP = InetAddress.getByName("127.0.0.1");
            int port = 9999;
            //2.创建一个socket连接
            socket = new Socket(serverIP,port);
            //3.发送消息IO流
            os = socket.getOutputStream();
            os.write("test".getBytes());
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (os != null) {
                try {
                    os.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (socket != null) {
                try {
                    socket.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}
